Telephone handset



FIG. 1 is a front elevation of a telephone handset showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a side elevation thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is an elevation as seen from the side opposite FIG. 3. 

The ornamental design for a telephone handset, as shown and described. 